Just recently bought a new Dell Inspiron 14z on which I'm trying to install Ubuntu in order to dual boot alongside Windows 7.
When booting from the Ubuntu 12.04 LTS live cd and navigating through the first couple of frames I get to the "Installation types" screen which is blank, with no devices listed:
None of the buttons are click-able other than "Quit", "Back" and "Install Now". Clicking "Install Now" fails with the message "No root file system is defined. Please correct this from the partitioning menu". Currently the partitions look like:
Some googling suggested that it may have to do with the RAID configuration which is currently,
I'd like to do a simple install of Ubuntu, even if that means just shrinking /dev/sda3 to make enough space. But shrinking /dev/sda3 manually results in the same thing, an Installation Type screen with no devices, and then failure. The closest 'solution' I've found is:
I'm hoping that someone will be able to offer a simpler solution. Thanks!